Metal deforming – By use of closed-die and coacting work-forcer – Cup or shell drawing
Patent
1991-09-18
1993-02-09
Jones, David
Metal deforming
By use of closed-die and coacting work-forcer
Cup or shell drawing
7245313, 72455, B21D 2402
Patent
active
051844966
ABSTRACT:
A pressing die comprises a shaping panel form being pressed against a blank to be pressed into a product, an attachment panel adapted to be mounted on a press machine frame, first ribs extending from optimum positions on the shaping panel, second ribs extending from optimum positions on the attachment panel and offset from the first ribs, and intermediate ribs optimally joining the first and second ribs to each other.
REFERENCES:
patent: 3635280 (1972-01-01), Parsons
patent: 4615204 (1986-10-01), Yamamoto et al.
patent: 4640333 (1987-02-01), Martin et al.
Kamada Teruo
Namba Takaoki
Burt Pamela S.
Carrier Joseph P.
Honda Giken Kogyo Kabushiki Kaisha
Jones David
Weiner Irving M.
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